50165878 has 64 divisors (see below), whose sum is σ = 96018048. Its totient is φ = 19169280.

The previous prime is 50165867. The next prime is 50165887. The reversal of 50165878 is 87856105.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 50165878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517126 + ... + 517222.

It is an arithmetic number, because the mean of its divisors is an integer number (1500282).

Almost surely, 2^50165878 is an apocalyptic number.

50165878 is a deficient number, since it is larger than the sum of its proper divisors (45852170).

50165878 is a wasteful number, since it uses less digits than its factorization.

50165878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 50165878 is about 7082.7874456318. The cubic root of 50165878 is about 368.8101000194.

The spelling of 50165878 in words is "fifty million, one hundred sixty-five thousand, eight hundred seventy-eight".